75503520011 has 4 divisors (see below), whose sum is σ = 75678702624. Its totient is φ = 75328337400.

The previous prime is 75503519999. The next prime is 75503520019. The reversal of 75503520011 is 11002530557.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75503520011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75503520019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87590660 + ... + 87591521.

It is an arithmetic number, because the mean of its divisors is an integer number (18919675656).

Almost surely, 2^75503520011 is an apocalyptic number.

75503520011 is a deficient number, since it is larger than the sum of its proper divisors (175182613).

75503520011 is a wasteful number, since it uses less digits than its factorization.

75503520011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175182612.

The product of its (nonzero) digits is 5250, while the sum is 29.

The spelling of 75503520011 in words is "seventy-five billion, five hundred three million, five hundred twenty thousand, eleven".